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+#ifndef _HAVE_LOGINREC_H_
+#define _HAVE_LOGINREC_H_
+
+/*
+ * Copyright (c) 2000 Andre Lucas. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/**
+ ** loginrec.h: platform-independent login recording and lastlog retrieval
+ **/
+
+#include "includes.h"
+
+/**
+ ** you should use the login_* calls to work around platform dependencies
+ **/
+
+/*
+ * login_netinfo structure
+ */
+
+union login_netinfo {
+ struct sockaddr sa;
+ struct sockaddr_in sa_in;
+ struct sockaddr_storage sa_storage;
+};
+
+/*
+ * * logininfo structure *
+ */
+/* types - different to utmp.h 'type' macros */
+/* (though set to the same value as linux, openbsd and others...) */
+#define LTYPE_LOGIN 7
+#define LTYPE_LOGOUT 8
+
+/* string lengths - set very long */
+#define LINFO_PROGSIZE 64
+#define LINFO_LINESIZE 64
+#define LINFO_NAMESIZE 512
+#define LINFO_HOSTSIZE 256
+
+struct logininfo {
+ char progname[LINFO_PROGSIZE]; /* name of program (for PAM) */
+ int progname_null;
+ short int type; /* type of login (LTYPE_*) */
+ pid_t pid; /* PID of login process */
+ uid_t uid; /* UID of this user */
+ char line[LINFO_LINESIZE]; /* tty/pty name */
+ char username[LINFO_NAMESIZE]; /* login username */
+ char hostname[LINFO_HOSTSIZE]; /* remote hostname */
+ /* 'exit_status' structure components */
+ int exit; /* process exit status */
+ int termination; /* process termination status */
+ /* struct timeval (sys/time.h) isn't always available, if it isn't we'll
+ * use time_t's value as tv_sec and set tv_usec to 0
+ */
+ unsigned int tv_sec;
+ unsigned int tv_usec;
+ union login_netinfo hostaddr; /* caller's host address(es) */
+}; /* struct logininfo */
+
+/*
+ * login recording functions
+ */
+
+/** 'public' functions */
+
+/* construct a new login entry */
+struct logininfo *login_alloc_entry(pid_t pid, const char *username,
+ const char *hostname, const char *line);
+/* free a structure */
+void login_free_entry(struct logininfo *li);
+/* fill out a pre-allocated structure with useful information */
+int login_init_entry(struct logininfo *li, pid_t pid, const char *username,
+ const char *hostname, const char *line);
+/* place the current time in a logininfo struct */
+void login_set_current_time(struct logininfo *li);
+
+/* record the entry */
+int login_login (struct logininfo *li);
+int login_logout(struct logininfo *li);
+#ifdef LOGIN_NEEDS_UTMPX
+int login_utmp_only(struct logininfo *li);
+#endif
+
+/** End of public functions */
+
+/* record the entry */
+int login_write (struct logininfo *li);
+int login_log_entry(struct logininfo *li);
+
+/* set the network address based on network address type */
+void login_set_addr(struct logininfo *li, const struct sockaddr *sa,
+ const unsigned int sa_size);
+
+/*
+ * lastlog retrieval functions
+ */
+/* lastlog *entry* functions fill out a logininfo */
+struct logininfo *login_get_lastlog(struct logininfo *li, const uid_t uid);
+/* lastlog *time* functions return time_t equivalent (uint) */
+unsigned int login_get_lastlog_time(const uid_t uid);
+
+/* produce various forms of the line filename */
+char *line_fullname(char *dst, const char *src, u_int dstsize);
+char *line_stripname(char *dst, const char *src, int dstsize);
+char *line_abbrevname(char *dst, const char *src, int dstsize);
+
+void record_failed_login(const char *, const char *, const char *);
+
+#endif /* _HAVE_LOGINREC_H_ */